Radioandtelevisionareverypopularintheworldtoday.MillionsofpeoplewatchTV.Perhapsmorepeoplelistentotheradio.TheTVis,ofcourse,moreusefulthantheradio.OnTVyoucanseeandhearwhatishappeningintheworld.However,radioisn'tdisappearing.Itisstillwithus.Andthenumberoflistenersisbecominglarger.Onereason,forthisistheinventionofthetransistor(晶体管).Atransistorradioissomethingverysmall.Itisveryeasytocarry.Youcanputoneinyourpocketandlistentoitonthebusoronyourbikewhenyougotowork.Besides,radiobroadcastsarebetterforblindpeople.Manyoldpeopledon'thavegoodeyesight.Theycan'twatchTV,buttheycanlistentomusicornewsovertheradio.What'smore,aradioismuchcheaperthanaTVset.
(1)
A.Neither,norB.Both,andC.Either,orD.Notonly,butalso
A.lessB.muchC.moreD.further
A.overaradioB.throughtelephone
C.byvisionphone(电视电话)D.ontelevision
A.Radioisbetterthantelevisionforpeoplewithbadeyesight.
B.AradioischeaperthanaTVset.
C.Radioappearedbecauseoftheinventionofthetransistor.
D.Youcancarryaradioinourhandbag.